• https://github.com/denisandroid/uPD72020x-Firmware

wget -O '/tmp/renesas_usb_fw.mem' 'https://github.com/denisandroid/uPD72020x-Firmware/raw/master/UPDATE.mem'

sudo install -Dm644 '/tmp/renesas_usb_fw.mem' '/usr/lib/firmware/renesas_usb_fw.mem'

ls '/usr/lib/firmware/renesas_usb_fw.mem'

sudo -e '/etc/dracut.conf.d/99-local.conf'

install_items+=" /usr/lib/firmware/renesas_usb_fw.mem "

sudo lsinitrd | grep 'renesas'

sudo dracut --force

• https://github.com/markusj/upd72020x-load

make

sudo ./upd72020x-load -u -b 6 -d 0 -f 0 -i UPDATE.mem